After a decade of dithering, Seattle voters have OK’d replacing an aging and seismically vulnerable elevated highway along the waterfront with a tunnel, a project expected to open the city’s downtown to even more spectacular views of Puget Sound and the Olympic Mountains.
In Tuesday’s primary, voters gave the $2 billion project the go-ahead in an advisory vote that turned into a rebuke of Mayor Mike McGinn. McGinn, elected nearly two years ago largely for his opposition to the plan, has remained the tunnel’s most high-profile opponent. He said he’s concerned that Seattle could be stuck paying for any cost overruns.
“I worked to give the public a direct vote on the tunnel,” McGinn said. “The public said move ahead with the tunnel, and that’s what we’re going to do.”
Seattle has spent 10 years — and its residents have now voted three times — in deciding how to replace the Alaskan Way Viaduct, an elevated, double-deck highway built more than half a century ago. It carries about 100,000 vehicles a day on state Route 99 past ferry terminals, the Seattle Aquarium and the Pike Place Market, as well as commercial traffic to and from the Port of Seattle.
The highway, considered an eyesore on the otherwise stunning waterfront, was damaged in the region’s 2001 earthquake, and engineers have been concerned it could collapse in the next one.
The 1.7-mile, deep-bore tunnel is the most contentious part of the state’s $3.1 billion plan to replace the viaduct. It has raised the specter of Boston’s Big Dig, which created a network of highway tunnels but was ridiculed for costing billions of dollars more than anticipated and was troubled by multiple water leaks and a fatal ceiling collapse.
Transportation officials swear Seattle’s tunnel will be different.
State Transportation Secretary Paula Hammond said that the project has stronger management oversight than Boston’s debacle and has already factored in possible risks such as rising material costs and unanticipated soils that might come up during construction.
“I would just say: That’s not us. Watch us do it right,” Hammond said.
The state has been determined to press ahead with the tunnel regardless of Seattle’s opinion. The Transportation Department expects an all-clear from the federal government within a few days, and work is set to begin over the next few months, though the actual boring wouldn’t begin for about a year and a half.
Without any lawsuits or unforeseen problems, the tunnel is scheduled to open in late 2015. A new promenade will run along the waterfront.
“Seattle voters sent a message loud and clear with this vote – enough is enough,” said Gov. Chris Gregoire, a tunnel proponent.
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